CVE-2026-78187

Published: Ago 24, 2026 Last Modified: Ago 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 1,3
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
LOW 3,1
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
LOW 2,6
Access Vector: network
Access Complexity: high
Authentication: none
Confidentiality: none
Integrity: partial
Availability: none

Description

AI Translation Available

A vulnerability has been found in Piwigo 16.3.0. This impacts an unknown function of the component Public Authentication Page. Such manipulation of the argument lang leads to cross site scripting. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 16.4.0 will fix this issue. The name of the patch is 5277a7dee4b8f1a174f1d69e1e2a4e1c82a3fc9e. It is recommended to upgrade the affected component.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
View CWE Details
94

Improper Control of Generation of Code ('Code Injection')

Draft
Common Consequences
Security Scopes Affected:
Access Control Integrity Confidentiality Availability Non-Repudiation
Potential Impacts:
Bypass Protection Mechanism Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands Hide Activities
Applicable Platforms
Languages: Interpreted
Technologies: AI/ML
View CWE Details
https://github.com/Leousum/VulnPoC/blob/main/Piwigo%2016.3.0/reflected_XSS.md
https://github.com/Piwigo/Piwigo/
https://github.com/Piwigo/Piwigo/commit/5277a7dee4b8f1a174f1d69e1e2a4e1c82a3fc9e
https://github.com/Piwigo/Piwigo/releases/tag/16.4.0
https://github.com/Piwigo/Piwigo/security/advisories/GHSA-rr39-mf4j-6594
https://vuldb.com/cve/CVE-2026-78187
https://vuldb.com/submit/885228
https://vuldb.com/vuln/394569
https://vuldb.com/vuln/394569/cti